Sweet, sticky and sold out everywhere: why is there such a craze for Dubai chocolate?

The creamy pistachio bar is all over TikTok, but good luck trying to find it in shops. Connoisseurs, market-watchers and the woman who invented it discuss its sudden rush to fameI stand in my local Lidl, staring gloomily at the chocolate bars. The man beside me seems similarly disappointed. “Are you looking for the Dubai chocolate?” he asks. It might be kept behind the till, I say, given how precious and popular it is. He stops the security guard and she looks at us sympathetically.